﻿<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
    <script src="js/zhuangbei.js"></script>
    <style>
        div{
            background:blue;
            width:400px;
            height:400px;
            position:relative;
            left:400px;
        }
    </style>
    <script>
        var arr = new Array();
        arr[1] = 1;
        arr[100] = 100;
        alert(arr[90]);
    </script>
</head>
<body>
    <div>123</div>
</body>
</html>
